Pith Number

pith:KB3XNPOM

pith:2012:KB3XNPOMGYRTQE4WV32CGYA566

not attested not anchored not stored refs pending

Robustness of System-Filter Separation for the Feedback Control of a Quantum Harmonic Oscillator Undergoing Continuous Position Measurement

Andre R. R. Carvalho, Joseph J. Hope, Michael R. Hush, Sarah J. Adlong, Stuart S. Szigeti

arxiv:1211.2490 v2 · 2012-11-12 · quant-ph · physics.atom-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KB3XNPOMGYRTQE4WV32CGYA566}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:33:47.842976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

507776bdcc3623381396aef423601df78309215aa843352878b6cc6e9d7e42b0

Aliases

arxiv: 1211.2490 · arxiv_version: 1211.2490v2 · doi: 10.48550/arxiv.1211.2490 · pith_short_12: KB3XNPOMGYRT · pith_short_16: KB3XNPOMGYRTQE4W · pith_short_8: KB3XNPOM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KB3XNPOMGYRTQE4WV32CGYA566 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 507776bdcc3623381396aef423601df78309215aa843352878b6cc6e9d7e42b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d18be018885ea0cf62a95c4547539f076cff615faa445b9bd27866f06b39bf92",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-12T01:37:05Z",
    "title_canon_sha256": "540b8f71fd1f07a82da61f50d48a057901c010895a6cc3395a33c67e6fe56701"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2490",
    "kind": "arxiv",
    "version": 2
  }
}